Tank is a free clean WordPress theme from SMthemes. It has an interesting look, aan easy to use admin panel, slider, custom widgets, menus and other stuff. Use it for whatever purpose you want, but it would be just purrfect for a World of Tanks website!
Tank Features:
SMT Framework 2.0
Dynamic Content Loader
Custom Sidebars
Google Maps Shortcode
Responsive Web Design
Custom Widgets Ready
Social Share Bar